In this situation, a voice response unit can reduce the cost of customer service by providing information and simpler or more common transactions.
在这种情况下，可以使用一个语音应答系统为比较简单或常见的问题提供信息，这会减少客户服务的成本。
Data Circuit and Data Service Unit (DSU) are provided and maintained by CHT while the customer Premises Equipment (CPE) is provided and maintained by the customer.
数据电路暨数字调制解调器(dsu)由本公司供租与维护。用户终端设备(CPE)由用户自备与维护。
Article made a distinction with "time window" in concept and in the current study, the express service is defined as the volume per unit time of transportation and delivery of customer Numbers.
在概念上将快运定义为单位时间的运货量和送货的客户数，与“时间窗”做了区别。
Article made a distinction with "time window" in concept and in the current study, the express service is defined as the volume per unit time of transportation and delivery of customer Numbers.
在概念上将快运定义为单位时间的运货量和送货的客户数，与“时间窗”做了区别。
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